Muffler housing



FIG. 1 is a perspective of a muffler housing showing our new design, thebroken lines shown of a engine is for illustrative purposes only andform no part of the claimed design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a bottom plan view view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a rear plan view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a enlarged perspective view of a muffler housing according toour new design;

FIG. 9 is an enlarged right side elevation view thereof;

FIG. 10 is an enlarged bottom plan view view thereof;

FIG. 11 is an enlarged front plan view thereof;

FIG. 12 is an enlarged rear plan view thereof;

FIG. 13 is an enlarged left side elevation view thereof; and

FIG. 14 is an enlarged top plan view thereof; and,

FIG. 15 is a bottom perspective view thereof.

The broken lines shown in FIGS. 8, 10 and 14 are for illustrativepurposes only and form no part of the claimed design invention.

The ornamental design for a muffler housing, as shown and described.